"One, it's a lot of fun. Two, it's a great way for families to be able to get away from shopping or get out of the house and be able to enjoy something together as a family," said Fisher. "Three, this is science and engineering in a really unique and applied manner."

The Festival of Trains is free with Science Central admission. It's $9 for ages 3 and up, and free for kids 2 and under.